Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Erica Lynn Deenihan, FNP

Individual provider Hospitalist Physician · NPI 1861033060

Erica Lynn Deenihan, FNP is a Nurse Practitioner in Dyer, Indiana. Qualified in 2016, 10 years ago. Practices with Northwest Cancer Centers PC, a 26-clinician group, works from 7 locations and accepts Medicare assignment. Licensed in Indiana.

Years since qualifying
10
Licensed in
IN
In the registry since
2019
Specialties on file
3
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

See every abbreviation used in this directory →

Practice location Address checks out

1001 Calumet Ave
Dyer, IN 46311-1596
Phone: (219) 924-8178
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (6)

  • 1201 S Main St, Crown Point, IN 46307-8481 — (219) 738-2100
  • 12750 Saint Francis Dr, Crown Point, IN 46307-0264 — (219) 852-1524
  • 24 Joliet St, Dyer, IN 46311-1705 — (219) 865-2141
  • 4321 Fir St, East Chicago, IN 46312-3049 — (219) 392-7329
  • 5454 Hohman Ave, Hammond, IN 46320-1931 — (219) 932-2300
  • 701 Superior Ave, Munster, IN 46321-4037 — (219) 922-4200

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 71009656A (IN)
Hospitalist Physician Taxonomy 208M00000X · Licence 71009656A (IN)
Nurse Practitioner Taxonomy 363L00000X · Licence 2019052720 (IN)

Record details

NPI number1861033060
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedSeptember 30, 2019
Last updated in NPPESJuly 7, 2026
Certification dateJuly 7, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Northwest Cancer Centers Pc — 26 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

Other providers in Dyer